Solutions by everydaycalculation.com
The simplest form of 420670 is 4267.
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Equivalent fractions: 840/1340 210/335 1260/2010 2100/3350 84/134 2940/4690
More fractions: 840/670 420/1340 1260/670 420/2010 421/670 420/671419/670 420/669
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